import json

json_data = [
    {
        "_index" : "recruitment_resume_v6",
        "_type" : "_doc",
        "_id" : "96bf0d7f81ea4ad5b9a1a7cb4d3e3a7e",
        "_score" : 0.0,
        "_source" : {
            "name" : "徐英海",
            "matchRating" : 10
        }
    },
    {
        "_index" : "recruitment_resume_v6",
        "_type" : "_doc",
        "_id" : "4a5e00ba2c304894bfbe3756e6b80867",
        "_score" : 0.0,
        "_source" : {
            "name" : "赖波兰",
            "matchRating" : 8
        }
    }
]

source_data = [d["_source"] for d in json_data]

# Next, we create a new list of dictionaries with the extracted "_source" properties.
new_json_data = []
for d in source_data:
    new_json_data.append(d)

# Finally, we can use the json library to convert the new list of dictionaries to a JSON string and print it.

new_json_string = json.dumps(new_json_data)

